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Mashup: flickr wrappr

For each of the 1.95 million DBpedia concepts, the wrappr generates a collection of flickr photos that depict the concept, utilizing multilingual labels and geo-coordinates provided in Wikipedia entries.

Gravatar is an attempt to allow users to have one globally recognized avatar. The service, around for several years, allows a user can set an image as an avatar and have it recognized on a variety of sites. Later, users can change an avatar once and have it change on every Gravatar-enabled site that they use. Though the service is somewhat well known, what is not is its robust API for developers to integrate the Gravatar service into their own sites.

Photo APIs have long been a staple of developer applications. There are more than 350 photo APIs in the ProgrammableWeb directory and almost 800 photo mashups. However, most applications integrate with photo sharing services, like the Flickr API and Instagram API, missing the real power of photo APIs. This post identifies four ways that APIs are getting smart by using image recognition technology to find faces, words and more.

Facebook’s photo tagging suggestion feature automatically recognises friends’ faces in a photo to make it fast and easy to tag people you know on the platform. In this tutorial, Narendra Rajput deconstructed the process to see how it works, then wrote a small Ruby script to automate the process.